For DESKTOP PC on PCIE 1x port (PCIe 2.0). Allows you to add 16 SERIAL ports to your desktop PC.  
Compatibility:
Compatible with all motherboards and all serial devices. Drivers included for: LINUX - WINDOWS XP / VISTA / SEVEN / 8 / 8.1 / 10 / 11 (32/64).
Features :
For PCIe 1x port (PCIe 2.0). from al simplex, 2.5GBps in each direction.
Consists of two cards, one connected to the PCIe 1x port, the other connected to the first. Each card supports a cord with 8 serial ports.
Transfer rate 25Mbps per port.
16 multi-purpose inputs/outputs (MPIOs).
Sleep mode and Wake Up mode.
Supports 16 independent 9-pin RS232 ports.
256-byte TX and FIFOs.
Programmable TX and RX Trigger Levels.
TX/RX FIFO counters.
RTS/CTS or DTR/DSR automatic flow control.
Automatic Xon/Xoff software flow control.
Multi drop with automatic address detection.
For DESKTOP PC on PCIE 1x port (PCIe 2.0). Allows you to add 16 SERIAL ports to your desktop PC.   Compatible with all motherboards and all serial devices. Drivers included for: LINUX - WINDOWS XP / VISTA / SEVEN / 8 / 8.1 / 10 / 11 (32/64). For PCIe 1x port (PCIe 2.0). from al simplex, 2.5GBps in each direction. Consists of two cards, one connected to the PCIe 1x port, the other connected to the first. Each card supports a cord with 8 serial ports. Transfer rate 25Mbps per port. 16 multi-purpose inputs/outputs (MPIOs). Sleep mode and Wake Up mode. Supports 16 independent 9-pin RS232 ports. 256-byte TX and FIFOs. Programmable TX and RX Trigger Levels. TX/RX FIFO counters. RTS/CTS or DTR/DSR automatic flow control. Automatic Xon/Xoff software flow control. Multi drop with automatic